219 Glossary
Aspect ratio
Width and height proportions of a video
screen or signal - usually either 4:3
(NTSC) or 16:9 for widescreen DVDs.
Audio source
This includes the systems radio and CD
(CD drive in the control unit, CD chan-
ger*).
Autostore
Enters the stations with the best recep-
tion (signal strength) into the autostore
memory in order of their reception
quality (from strong to weak).
Balance
Defines sound-center left/right.
Bit rate (MP3)
Measurement of transmission speed.
Indicates the number of ->bits trans-
mitted per time unit.Bluetooth®
Wireless personal area networks that
provide a way to connect and exchange
information between devices such as
mobile phones, laptops, PCs, etc. over
a short-range radio frequency.
CD
(Compact Disc)
Digital storage medium in disc form.
CDDA
(C
ompact Disc Digital Audio)
File type for a convential audio ->CD-
ROM.
CD-R
(CD
Recordable)
->CD which can be written to once,
read many times but not deleted.
CD-ROM
(CD
Read Only Memory)
->CD which can only be read.
CD-RW
(CD
Rewritable)
->CD which can be read, written and
deleted.CD text
Additional information which may be
included on ->CD (e.g. track name, CD
title).
COMAND
(Co
ckpit Management and Data Sys-
tem)
Information and operating center for
vehicle sound and communications
systems, including the radio and
CD player, as well as for other optional
equipment (CD changer*, telephone*,
etc.).
Coordinates
Indicate the geographical position on
the earth's surface.
